{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,7,31]],"date-time":"2024-07-31T18:36:25Z","timestamp":1722450985984},"reference-count":40,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2007,2,6]],"date-time":"2007-02-06T00:00:00Z","timestamp":1170720000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Tropical Med Int Health"],"published-print":{"date-parts":[[2007,3]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>We examined associations between schistosome\u2010specific antibody responses and reinfection in Senegalese individuals recently exposed to <jats:italic>Schistosoma mansoni<\/jats:italic>. The effects of treatment, age, intensity of infection and duration of exposure on schistosome\u2010specific antibody responses were also investigated by comparing immune responses in individuals exposed for less than 3\u2003years with responses in people exposed for more than 8\u2003years. All individuals were bled before treatment as well as 6 and 12\u2003weeks after. We used a statistical model that included interaction terms between time, age, infection intensity and duration of exposure. The overall patterns of most specific antibody responses by age were similar to those previously published for <jats:italic>S. mansoni<\/jats:italic>, <jats:italic>Schistosoma japonicum<\/jats:italic> and <jats:italic>Schistosoma haematobium<\/jats:italic> infections in different endemic areas. In general, a boost in specific antibody responses against adult worm antigen (SWA) was observed at 6\u2003weeks after treatment whereas the majority of isotype responses against egg antigen (SEA) were not affected by treatment. Our analysis showed that the effect of treatment on schistosome\u2010specific antibody responses is influenced by age, infection intensity and duration of exposure. We found no evidence that treatment matures the specific antibody response of children recently infected with <jats:italic>S. mansoni<\/jats:italic>. Our results indicate that the build\u2010up of potentially protective immunoglobulin E (IgE) responses was associated with duration of exposure, or, in other words, experience of infection. Interestingly, in recently exposed individuals there was a significant association between IgA responses to SWA and resistance to reinfection. Resistance to reinfection and production of IgA\u2010SWA was associated with adulthood independently of exposure patterns, suggesting that susceptibility to <jats:italic>S. mansoni<\/jats:italic> and the development of protective immune responses is age\u2010dependent.<\/jats:p>","DOI":"10.1111\/j.1365-3156.2006.01805.x","type":"journal-article","created":{"date-parts":[[2010,8,11]],"date-time":"2010-08-11T22:17:03Z","timestamp":1281565023000},"page":"431-444","source":"Crossref","is-referenced-by-count":30,"title":["Associations between specific antibody responses and resistance to reinfection in a Senegalese population recently exposed to <i>Schistosoma mansoni<\/i>"],"prefix":"10.1111","volume":"12","author":[{"given":"Kim","family":"Vereecken","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cynthia W. 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